Figure 2

Receiver Operating Characteristic (ROC) curve of intravenous fluids on postoperative day 0 for overall complications. The area under the curve was 0.71 (95% CI 0.59–0.83). The optimal threshold point based on Youden index was 4400 ml.
Receiver Operating Characteristic (ROC) curve of intravenous fluids on postoperative day 0 for overall complications. The area under the curve was 0.71 (95% CI 0.59–0.83). The optimal threshold point based on Youden index was 4400 ml.